Material preparation: a carton, scissors, knife, brush, tape.

Operating steps:

1, first draw with a pen according to the cube grid; Then make boxes and sorting boards according to the required size and shape.

Then, after painting, take out scissors and a knife. Scissors are used to cut places that are easy to cut, and knives are used to draw lines inside, which is easy to fold. Just cut along this line.

3. Third, fold the cardboard along the line, and then stick the places that are not connected together with tape.

4. According to the sign of garbage classification, draw a garbage label on the trash can and write the words.

Finally, put the garbage sorting box in a suitable place at home for daily use.

Garbage is divided into four categories. They are recyclable garbage, harmful waste, kitchen waste and other garbage.

1. Recyclable garbage: mainly includes five categories: waste paper, plastic, glass, metal and textiles. Waste paper mainly includes newspapers, periodicals, books, all kinds of wrapping paper, office paper, advertising paper, cartons, plastic bottles, old clothes and so on.

2. Hazardous wastes: mainly including waste batteries, waste fluorescent tubes, waste water silver thermometers, expired drugs, etc. These wastes need special treatment.

3. Kitchen waste: mainly includes food waste such as leftovers, bones, roots, leaves and peels. After in-situ composting by biotechnology, about 0.3 tons of organic fertilizer can be produced per ton.

4. Other garbage: mainly including bricks and tiles, muck, toilet waste paper, paper towels and other wastes that are difficult to recycle except the above garbage. Proper treatment can effectively reduce the pollution of groundwater, surface water, soil and air.